Home / 672,202.10-1,008,278.85-272,831.60

Finding the Fourth Proportional to 672,202.10, 1,008,278.85 and 272,831.60

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Solution

The fourth proportional to 672,202.10, 1,008,278.85 and 272,831.60 is: 409,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,202.10 : 1,008,278.85 = 272,831.60 : x
  2. Step 2: Convert to fraction form
    672,202.10/1,008,278.85 = 272,831.60/x
  3. Step 3: Cross multiply
    672,202.10x = 1,008,278.85 × 272,831.60
  4. Step 4: Simplify right side
    672,202.10x = 275,090,331,891.66
  5. Step 5: Solve for x
    x = 275,090,331,891.66/672,202.10
  6. Step 6: Final answer
    x = 409,237.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.